Table 2.
Risk factors for HBV infection
| Variable | n | *HBV+ (%) | Odds ratio | 95% CI |
|---|---|---|---|---|
| Marital status | ||||
| ○ Male |
|
|
|
|
| • Monogamous marriage |
40 |
16 (40.0) |
1.00 |
|
| • Single |
49 |
12 (24.5) |
0.51 |
0.20–1.27 |
| • Polygamous marriage |
11 |
03 (27.0) |
0.56 |
0.12–2.44 |
| ○ Female |
|
|
|
|
| • Monogamous marriage |
81 |
22 (27.1) |
1.00 |
|
| • Single |
73 |
16 (22.0) |
0.75 |
0.35–1.57 |
| • Polygamous marriage |
19 |
05 (26.3) |
0.95 |
0.30–2.97 |
| Years since first sexual intercourse | ||||
| ○ ≤ 10 |
99 |
26 (26.3) |
1.00 |
|
| ○ 11–20 |
48 |
17 (35.4) |
1.53 |
0.73–3.23 |
| ○ 21–30 |
31 |
11 (35.5) |
1.54 |
0.65–3.65 |
| ○ > 30 |
28 |
06 (21.4) |
0.76 |
0.27–2.09 |
| Use of condoms | ||||
| ○ Yes |
19 |
06 (31.6) |
1.00 |
|
| ○ No |
227 |
64 (28.2) |
1.12 |
0.40–3.10 |
| Number of sexual partners | ||||
| ○ One |
6 |
02 (33.3) |
1 |
|
| ○ Two or more |
102 |
32 (31.4) |
1.20 |
0.21–6.83 |
| Socio-professional activity | ||||
| ○ Civil servant |
24 |
05 (20.8) |
1.00 |
|
| ○ Small trader |
10 |
05 (50.0) |
3.80 |
0.78–18.50 |
| ○ Farmer |
63 |
19 (30.2) |
1.64 |
0.53–5.04 |
| ○ Student |
74 |
22 (29.7) |
1.60 |
0.53–4.84 |
| ○ Unemployed |
28 |
05 (17.8) |
0.80 |
0.20–3.28 |
| ○ Others** |
65 |
18 (27.7) |
1.45 |
0.47–4.48 |
| Previous risk behaviour | ||||
| ○ None |
71 |
22 (31.0) |
1.00 |
|
| ○ Scarification |
169 |
44 (26.0) |
0.78 |
0.42–1.44 |
| ○ Surgery |
47 |
12 (25.5) |
0.76 |
0.33–1.74 |
| ○ Blood transfusion |
30 |
04 (13.3) |
0.34 |
0.10–1.10 |
| ○ Tattooing |
31 |
09 (29.0) |
0.91 |
0.36–2.29 |
| ○ Dental surgery | 33 | 10 (30.3) | 0.96 | 0.39–2.37 |
*At least one marker (HBsAg or anti-HBc antibodies).
**Others: carpenter, apprentice, driver, night watchman, craftsman.